ABAP Select data from SAP table FIRUV_IMCD_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FIRUV_IMCD_ITEM table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to FIRUV_IMCD_ITEM. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the FIRUV_IMCD_ITEM table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_FIRUV_IMCD_ITEM TYPE STANDARD TABLE OF FIRUV_IMCD_ITEM,
      WA_FIRUV_IMCD_ITEM TYPE FIRUV_IMCD_ITEM,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <FIRUV_IMCD_ITEM> TYPE FIRUV_IMCD_ITEM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FIRUV_IMCD_ITEM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FIRUV_IMCD_ITEM
  INTO TABLE IT_FIRUV_IMCD_ITEM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIRUV_IMCD_ITEM
*  INTO TABLE @DATA(IT_FIRUV_IMCD_ITEM2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_FIRUV_IMCD_ITEM INDEX 1 INTO DATA(WA_FIRUV_IMCD_ITEM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FIRUV_IMCD_ITEM ASSIGNING <FIRUV_IMCD_ITEM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIRUV_IMCD_ITEM>-MANDT = 1.
<FIRUV_IMCD_ITEM>-IMPORTCUSTOMSDECLN = 1.
<FIRUV_IMCD_ITEM>-IMPORTCUSTOMSDECLNITEM = 1.
<FIRUV_IMCD_ITEM>-IMPORTCUSTOMSDECLNPRINTITEM = 1.
<FIRUV_IMCD_ITEM>-MATERIAL = 1.

ENDLOOP.

LOOP AT IT_FIRUV_IMCD_ITEM INTO WA_FIRUV_IMCD_ITEM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIRUV_IMCD_ITEM-QUANTITY, sy-vline,
  WA_FIRUV_IMCD_ITEM-BASEUNITOFMEASURE, sy-vline,
  WA_FIRUV_IMCD_ITEM-PURCHASEORDER, sy-vline,
  WA_FIRUV_IMCD_ITEM-PURCHASEORDERITEM, sy-vline,
  WA_FIRUV_IMCD_ITEM-INBOUNDDELIVERY, sy-vline,
  WA_FIRUV_IMCD_ITEM-INBOUNDDELIVERYITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIRUV_IMCD_ITEM you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_FIRUV_IMCD_ITEM TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_FIRUV_IMCD_ITEM INTO WA_FIRUV_IMCD_ITEM.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field IMPORTCUSTOMSDECLN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIRUV_IMCD_ITEM-IMPORTCUSTOMSDECLN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRUV_IMCD_ITEM-IMPORTCUSTOMSDECLN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FIRUV_IMCD_ITEM-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRUV_IMCD_ITEM-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FIRUV_IMCD_ITEM-BASEUNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRUV_IMCD_ITEM-BASEUNITOFMEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIRUV_IMCD_ITEM-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRUV_IMCD_ITEM-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INBOUNDDELIVERY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIRUV_IMCD_ITEM-INBOUNDDELIVERY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRUV_IMCD_ITEM-INBOUNDDELIVERY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MATERIALDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIRUV_IMCD_ITEM-MATERIALDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRUV_IMCD_ITEM-MATERIALDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field MATERIALDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FIRUV_IMCD_ITEM-MATERIALDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRUV_IMCD_ITEM-MATERIALDOCUMENTYEAR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FIRUV_IMCD_ITEM_STR, 
MANDT TYPE STRING,
IMPORTCUSTOMSDECLN TYPE STRING,
IMPORTCUSTOMSDECLNITEM TYPE STRING,
IMPORTCUSTOMSDECLNPRINTITEM TYPE STRING,
MATERIAL TYPE STRING,
QUANTITY TYPE STRING,
BASEUNITOFMEASURE TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
INBOUNDDELIVERY TYPE STRING,
INBOUNDDELIVERYITEM TYPE STRING,
MATERIALDOCUMENT TYPE STRING,
MATERIALDOCUMENTYEAR TYPE STRING,
MATERIALDOCUMENTITEM TYPE STRING,
ORIGINCOUNTRY TYPE STRING,
CREATEDAT TYPE STRING,
CREATEDBY TYPE STRING,
CHANGEDDATE TYPE STRING,
CHANGEDBY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIRUV_IMCD_ITEM_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_FIRUV_IMCD_ITEM_STR-MANDT sy-vline 
WA_FIRUV_IMCD_ITEM_STR-IMPORTCUSTOMSDECLN sy-vline 
WA_FIRUV_IMCD_ITEM_STR-IMPORTCUSTOMSDECLNITEM sy-vline 
WA_FIRUV_IMCD_ITEM_STR-IMPORTCUSTOMSDECLNPRINTITEM sy-vline 
WA_FIRUV_IMCD_ITEM_STR-MATERIAL sy-vline 
WA_FIRUV_IMCD_ITEM_STR-QUANTITY sy-vline 
WA_FIRUV_IMCD_ITEM_STR-BASEUNITOFMEASURE sy-vline 
WA_FIRUV_IMCD_ITEM_STR-PURCHASEORDER sy-vline 
WA_FIRUV_IMCD_ITEM_STR-PURCHASEORDERITEM sy-vline 
WA_FIRUV_IMCD_ITEM_STR-INBOUNDDELIVERY sy-vline 
WA_FIRUV_IMCD_ITEM_STR-INBOUNDDELIVERYITEM sy-vline 
WA_FIRUV_IMCD_ITEM_STR-MATERIALDOCUMENT sy-vline 
WA_FIRUV_IMCD_ITEM_STR-MATERIALDOCUMENTYEAR sy-vline 
WA_FIRUV_IMCD_ITEM_STR-MATERIALDOCUMENTITEM sy-vline 
WA_FIRUV_IMCD_ITEM_STR-ORIGINCOUNTRY sy-vline 
WA_FIRUV_IMCD_ITEM_STR-CREATEDAT sy-vline 
WA_FIRUV_IMCD_ITEM_STR-CREATEDBY sy-vline 
WA_FIRUV_IMCD_ITEM_STR-CHANGEDDATE sy-vline 
WA_FIRUV_IMCD_ITEM_STR-CHANGEDBY sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.